328734315784 has 128 divisors (see below), whose sum is σ = 735931468800. Its totient is φ = 134743875840.

The previous prime is 328734315743. The next prime is 328734315803. The reversal of 328734315784 is 487513437823.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33338647 + ... + 33348505.

It is an arithmetic number, because the mean of its divisors is an integer number (5749464600).

Almost surely, 2^328734315784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328734315784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367965734400).

328734315784 is an abundant number, since it is smaller than the sum of its proper divisors (407197153016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328734315784 is a wasteful number, since it uses less digits than its factorization.

328734315784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203 (or 10199 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 55.

The spelling of 328734315784 in words is "three hundred twenty-eight billion, seven hundred thirty-four million, three hundred fifteen thousand, seven hundred eighty-four".